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參數(shù)資料
| 型號(hào)： | TDA7360 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 22W Bridge / Stereo Audio Amplifier with Clipping Detector(22W橋式立體聲音頻放大器帶限幅檢測(cè)器) |
| 中文描述： | 22W橋/立體聲音頻放大器裁剪探測(cè)器（22W橋式立體聲音頻放大器帶限幅檢測(cè)器） |
| 文件頁(yè)數(shù)： | 16/22頁(yè) |
| 文件大小： | 225K |
| 代理商： | TDA7360 |
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APPLICATION HINTS
This section explains briefly how to get the best
from the TDA7360 and presentssome application
circuits with suggestionsfor the value of the com-
ponents.These values can change dependingon
the characteristics that the designer of the car ra-
dio wants to obtain,or other parts of the car radio
that are connectedto the audio block.
To optimize the performanceof the audio part it is
useful (or indispensable)to analyze also the parts
outside this block that can have an interconnec-
tionwith the amplifier.
This method can provide componentsand system
cost saving.
Reducing Turn On-OffPop
The TDA7360 has been designed in a way that
the turn on(off) transients are controlled through
the charge(discharge)of the Csvrcapacitor.
As a result of it, the turn on(off) transient spec-
trum contents is limited only to the subsonic
range.The following section gives some brief
notes to get the best from this design feature(it
will refer mainly to the stereo application which
appears to be in mostcases the more criticalfrom
the pop viewpoint.The bridge connection in
fact,due to the common mode waveform at the
outputs,doesnot give pop effect).
TURN-ON
Fig 40 shows the output waveform (before and
after the ”A” weighting filter) compared to the
value of Csvr.
Better pop-on performance is obtained with
higher Csvr values (the recommended range is
from 22uF to 220uF).
The turn-on delay (during which the amplifier is in
mute condition) is a function essentially of : C
out ,
C
svr
.
Being:
T1
≈
120
C
out
T2
≈
1200
C
svr
The turn-on delay is given by:
T1+T2
T2
STEREO
BRIDGE
The best performance is obtained by driving the
st-by pin with a ramp having a slope slower than
2V/ms
Figure40:
a)
C
svr
= 22
μ
F
b) C
svr
= 47
μ
F
c) C
svr
= 100
μ
F
TDA7360
16/22
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| TDA7370 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD POWER AMPLIFIER FOR CAR RADIO |
| TDA7370B | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:QUAD POWER AMPLIFIER FOR CAR RADIO |
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